<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" href="body.css">
    <title>Document</title>
    <style>
        body{
            background: rebeccapurple;
        }
       .header{
           background: white;
           width: 100%;
           margin: 0 auto;
           text-align: center;
       }
       .header img{
           width: 25%;
       }
       h3{
           color: white;
           font-weight: 400;
       }
       .s1{
           width: 1%;;
           height: 200vw;
           background: rgba(255, 255, 255, 0.3);
           margin:0 2vw;
           position: relative;
       }
       .s2{
           width: 94%;
           
       }
       section{
         float: left;
        }
       .footer{
           width:100%;
           background: rgba(255, 255, 255, 0.3);
           height: 30px;
       }
       .rad{
           position: absolute;
           width: 2vw;
           height: 2vw;
           background: white;
           border-radius: 50%;
           left: 1.5vw;
           margin-top: 10vw;
       }
       h3{
           font-size: 3vw;
       }

    </style>
</head>
<body>
    <div class="header"><img src="hx1.jpg" alt=""></div>
    <section class="s1"></section>
    <section class="s2">
    <h3>四室两厅两卫 约155m<sup>2</h3>
    <div class="footer"></div>
    </section>
    <div class="rad"></div>

</body>
</html>